Traction-wheel



A. RODINE.

TRACTION WHEEL. APPLICATION FILED FEB. 26, 1919.

W1 TNESSES I N VEN TOR.

fi m

A TIORNEY.

Patented Feb. 24, 1920.

UNITED STATES ABVID TRACTION-WHEEL. 4

Application and February To all whom it may concern:

cation.

Be it known that I. Anvlo Romxn, a citizen of the United States, residing at Drinku'atcr, in the Province of Saskatchewan and Dominion of Canada. have invented certain new and useful Improvements in Traction- Wheels. of which the following is a specifi- The invention has for its object to provide a traction .wheel which automatically clears itself of mud and which precludes any possible slipping on soft or sandy surfaces.

The invention provides a novel form of rim whichinclincs transversely so as to facilitate the shedding of mud and also to combine with the rim, lugs and spurs in a peculiar way to insure the ready discharge of mud yet prevent slipping when the wheel is under a load.

The drawing illustrates a )refcrrcd embodiment of the invention. owevcr, it is to be understood that in adapting the same to meet different conditions, various changes in the form, proportion, and minor details of construction may be resorted to without departing fromthe nature of the invention as claimed hereinafter.

In the drawing hereto attached,

Figure 1 is a side view of part of a trimtion wheel embodying the invention.

Fig. 2 is a top view of the part illustrated in Fig. I. K

Fig. 3 is a transverse section showing the parts on a larger se 1e.

Fig. 4 is a view similar to Fig. 30f a modification.

Fig. 5 is a detail view partly in section.

I Corresponding and like parts are referred to in the following description and indi cated in the several views of the drawing The main portion of the wheel may be of any construction but the rim is of such formation as to incline transversely, the purpose being to facilitate the shedding or automatic discharge of mud or other matter tending to adhere to the tread of the wheel. In the form illustrated in Figs. 1, 2 and 3 the rim 1 is substantially of V form, hence the tread surfaces are oppositely inclined from a medial line. In the modification shown in Fig. 4 the rim 1 inclines in one 5 direction only throughout its width, hence this form. of rim sheds the Specification of Letters Patent.

of one of the spurs.

mud and other BODINE, 0F DRINKWATER, SASKATCHEWAN. CANADA.

Patented Feb. 24, 1920.

26, 1919. Serial No. 279,307.

matter to one side of the wheel only whereas the form of riui illustrated inthe relating views sheds the mud and other matter equally upon opposite sides of the wheel. It is to he understood that the rim of the wheel will be suitably supported and braced in order to withstand the lateral strain.

T his lateral strain is equalized uponthe preferred form of rim indicated in Figs. 1, 2

and 3 but the form of rim shown in Fig. 4-

requires to be braced against the lateral strain which is in one direction only and 'not neutralized.

Lugs 2 are provided upon the outer side of the rim and said lugs are preferably hollow and of peculiar form and may be struck up from sheet metal or cast. As shown most clearly in the have basic flanges 3 which are adapte receive suitable fastenings 4 such as rivets. Each of the lugs 2 is formed with three faces 5, 6 and 7. The face 6 is outermost and constitutes the tread, the face 5 faces forward and is designated as the rear face.

Each of the faces is of triangular form.

Theouter or tread face 6 is in the plane of the outermost portion of the rim and is disposed at a right angle to a plane passing perpendicularly through the axis of the wheel so that it engages squarely with the surface over which the wheel is traveling. The frontface 5 extends outwardly from the plane Y shown most clearly in Fig. 2 and'inchnes rearwardly from the edge nearer the axis The rear face 7 inclines rearfrom the tread .face and inwardly of the wheel. wardl from its outer edge. As shown most clearly in Fig. 2 the front face 5 of each of the lugs prevents an abrupt sustain the pullin force whereas t e rear face 7 is inclined in two directions so as to form a brace to sustain the pulling force and also facilitate the shedding of mud and other matter which ordinarily tends to cling to the wheel. By reason of the transverse inclination of the outer side of the rim and the relative inclination of the faces of adjacent lu s the inclosed s ace has an outward an lateral flare which insures a dischargeof mud and other matter to one side of the wheel. When the rim is constructed with o positely inclined portions the mud and ot er matter is discharged equally at both sides of the wheel but w en the rim inseveral views the lugs 2- to surface best ada ted to clines laterally in one direction only, as inof the wheel at. a" right angle, as

as. i

preferred to provide the dicated in Fig. 4 the discharge is at one side of the wheel only. In the form ofrim having oppositely inclined portions the lugs secured to one portion of the rim are disposed opposite the spaces between the lugs secured to the opposite portion of the rim, as indicated most clearly in Fig. 2. In other words the tractor lugs secured to opposite portions of the rim have a staggered arrangement.

In order to prevent ticularly when the W traveling over soft and ossible slipping pareel is designed for sandy surfaces it is lugs on their tread surfaces with s urs and these spurs are indicated in detai in Fig. 5. Each spur comprises a tapering'body 8 which is preferably hollow. The body 8 is truncated and its outer end countersunk, as indicated at 9. A stem 10 passes through the body 8 and its inner end is threaded and receives a nut 11. The outer end of the stem is formed with a point l2 and an enlargement 13 at the base of'the point 12 snugly fits countersink 9 of the body 8. The threaded end of the stem 10 passes through an opening in the tread face of the lug and receives a nut 11 upon the projecting end. In this manner the spur is secured to the tread face of the lug. In order to facilitate attachment and detachment of the spurs the rim is formed with an opening 14 through which a suitmay be introduced The foregoing description and the drawing have reference to what may be con- .sidered the preferred, or approved form of my invention. It is to be understood that may make such changes in construction and arrangement and combination of parts, materials, dimensions, et cetera, as may prove expedient and fall within the scope of the appended claim.

aving thus fully described my invention, what I claim as new and desire to secure by Letters Patent is:

A traction wheel having its outer or tread side transversely inclined and lu s on the tread side of the rim and havingt eir outer or tread faces at right angles .to the plane of the wheel, and their front and rear faces relatively inclined, th several faces of the lugs being of triangular form.

In testimon whereof I afiix my signature in presence 0 two witnesses.

ARVID RODIN E. Vitnesses:

H. A. ELDER, GEORGE MILLER.

the nuts 11. This is indicated Y 

